ABS: 4E-14
Information Gathering
To properly diagnose a malfunction, one must not make guesses or assumptions about the circumstances that caused
it. Proper diagnosis and repair require duplicating the situation in which the malfunction occurred. If a diagnosis is
made without duplicating the malfunction, even an experienced service technician may make a misdiagnosis and not
perform the servicing procedure correctly, resulting in the malfunction not being repaired. For example, a malfunction
that occurs only while braking on slippery surfaces will not occur if the motorcycle is ridden on a non-slippery surface.
Therefore, in order to properly diagnose and repair the motorcycle, the customer must be questioned about the
conditions at the time that the malfunction occurred making “Information gathering” very important. In order that the
information obtained from the customer to be used as a reference during troubleshooting, it is necessary to ask certain
important questions concerning the malfunction. Therefore, a questionnaire has been created to improve the
information-gathering procedure.
EXAMPLE: CUSTOMER PROBLEM INSPECTION FORM
NOTE
This form is a standard sample. The form should be modified according to conditions and
characteristic of each market.
User name: Model: VIN: Date of issue:
Date Reg. Date of problem: Mileage:
PROBLEM SYMPTOMS
ABS operation Past malfunctions and repairs
ABS does not work
ABS works so often with
Too long stopping distance
Other
CONDITION WHEN MALFUNCTION OCCURED
ABS indicator light Riding conditions
Does not light up While stopping
Lights up
Goes off after running over 10 km/h: Yes / No
Over 10 km/h
When turning
Flashes Others
Tires Brake operating conditions
Abnormal air pressure Usual braking
Less thread depth Quick/hard braking
No specified tires installed
Interface
Road surface Too big pulsations at brake levers
Paved road:
Dry / Wet / Others
Too large brake lever strokes
Others
Unpaved road:
Gravel / Muddy / Uneven / Others Others
Abnormal noise from the ABS control unit/HU
Skid noise from the calipers
Vibration at the brake levers
NOTE:
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